This paper studies high decimation ratio of digital downconverter given narrow-band signal, and especially analyze mul? stage decimation algorithm based on CIC filter and HB filter.
本文研究了窄带信号条件下，高倍抽取的数字下变频设计，重点分析了基于CIC滤波器和HB滤波器的多级抽取算法。
The narrow band FIR filter based on multi-sampling rate of digital signal processing theory is designed and realized on DSP.
基于多抽样率数字信号处理原理，设计窄带FIR滤波器，并在DSP芯片上实现。
应用推荐